(Reitaisai 14) [Arutana (Chipa)] Koishi Onee-chan ni Makasenasai (Touhou Project) [Chinese] [CE家族社]
(C79) [URAN-FACTORY (URAN)] Ore no Imouto ga Konna Itazura Suru Wake Nai (Ore no Imouto ga Konna ni Kawaii Wake ga Nai)
(C84) [Studio Tar (Kyouichirou)] Bri☆Kana Fan Kanshasai!! (Ore no Imouto ga Konna ni Kawaii Wake ga Nai) [English]
(Shuuki Reitaisai 4) [Studio P.M.Y (Mikarin)] Ecchi na Kenkyuu Koishi-chan no Baai (Touhou Project)
[HBO (Henkuma)] K&R (Ore no Imouto ga Konna ni Kawaii Wake ga Nai) [English] [biribiri]
(C89) [Hakusen (Opanchu)] Koishi-chan no Ecchi na Mainichi | Koishi-chan's Lewd Daily Life (Touhou Project) [English] {Doujins.com}
(C87) [Chinjuu Mufy (Oonita Hiroyuki, Nishi Tamao, Mash-san)] Ore no Imouto wa Himono ni Chigainai (Himouto! Umaru-chan)
(C91) [Aquamarine (Mogupuchi)] Ookiku Natta Koishi-chan to Flan-chan no Ohanashi (Touhou Project)
(C92) [Anmitsuyomogitei (Michiking)] Nagusame Jouzu no Koishi-chan (Touhou Project) [Chinese] [CE家族社]
[Inudrill Lolita Engine] Jacqli Ecchi (Ar tonelico) [ENG] [Fuwafuwaru!]